2 Tests asynchronous call stacks for DataTransferItem.getAsString.
4 Set timer for test function.
5 Captured call stacks in no particular order:
7 0) onGetAsString (async-callstack-get-as-string.html:38)
8 [DataTransferItem.getAsString]
9 0) onPaste (async-callstack-get-as-string.html:33)
10 1) timeout (async-callstack-get-as-string.html:24)
12 0) testFunction (async-callstack-get-as-string.html:9)
15 0) onPaste (async-callstack-get-as-string.html:29)
16 1) timeout (async-callstack-get-as-string.html:24)
18 0) testFunction (async-callstack-get-as-string.html:9)